/* =============================================
   ProjectX Hub — style.css
   Palette: #0A0A0F base | #7C3AED violet | #06B6D4 cyan
   Fonts: Space Grotesk (display) + Inter (body)
============================================= */

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

:root {
  --bg: #0A0A0F;
  --bg2: #111118;
  --card: #16161F;
  --card2: #1C1C28;
  --violet: #7C3AED;
  --violet-light: #9F67FF;
  --cyan: #06B6D4;
  --cyan-light: #22D3EE;
  --pink: #EC4899;
  --orange: #F97316;
  --green: #10B981;
  --text: #F0F0FF;
  --text2: #A0A0C0;
  --text3: #5A5A80;
  --border: rgba(255,255,255,0.07);
  --radius: 14px;
  --radius-sm: 8px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* SCROLLBAR */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--violet); border-radius: 3px; }

/* SELECTION */
::selection { background: var(--violet); color: #fff; }

/* CONTAINER */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 780px; }

/* TYPOGRAPHY */
h1,h2,h3,h4 { font-family: 'Space Grotesk', sans-serif; line-height: 1.15; }
.section-title { font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 700; margin-bottom: 16px; }
.section-sub { color: var(--text2); font-size: 1.05rem; margin-bottom: 48px; max-width: 560px; }
.section-label {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 14px;
}
.accent-violet { color: var(--violet-light); }
.accent-cyan { color: var(--cyan-light); }

/* BUTTONS */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: 9999px; font-family: 'Space Grotesk', sans-serif;
  font-size: 0.92rem; font-weight: 600; cursor: pointer; border: none;
  text-decoration: none; transition: var(--transition); position: relative; overflow: hidden;
  white-space: nowrap;
}
.btn::after {
  content: ''; position: absolute; inset: 0; opacity: 0;
  background: radial-gradient(circle, rgba(255,255,255,0.25) 0%, transparent 70%);
  transition: opacity 0.4s;
}
.btn:active::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--violet) 0%, #5B21B6 100%);
  color: #fff; box-shadow: 0 0 24px rgba(124,58,237,0.4);
}
.btn-primary:hover {
  box-shadow: 0 0 40px rgba(124,58,237,0.65);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent; color: var(--text2);
  border: 1px solid var(--border);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.2); color: var(--text); background: rgba(255,255,255,0.04); }
.btn-nav {
  background: rgba(124,58,237,0.15); color: var(--violet-light);
  border: 1px solid rgba(124,58,237,0.3); padding: 9px 22px;
}
.btn-nav:hover { background: rgba(124,58,237,0.25); }
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }
.btn-arrow { transition: transform 0.3s; }
.btn-primary:hover .btn-arrow { transform: translateX(4px); }

/* REVEAL ANIMATION */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(10,10,15,0.8); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); transition: var(--transition);
}
.nav.scrolled { background: rgba(10,10,15,0.97); }
.nav-inner {
  max-width: 1200px; margin: 0 auto; padding: 16px 24px;
  display: flex; align-items: center; gap: 40px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.logo-x {
  width: 34px; height: 34px; background: linear-gradient(135deg, var(--violet), var(--cyan));
  border-radius: 9px; display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.1rem; color: #fff;
}
.logo-text { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1rem; color: var(--text); }
.nav-links { display: flex; list-style: none; gap: 32px; margin-left: auto; }
.nav-links a {
  color: var(--text2); text-decoration: none; font-size: 0.9rem;
  font-weight: 500; transition: color var(--transition);
}
.nav-links a:hover { color: var(--text); }
.nav-admin { color: var(--cyan) !important; }
.hamburger {
  display: none; flex-direction: column; gap: 5px; background: none;
  border: none; cursor: pointer; padding: 4px; margin-left: auto;
}
.hamburger span { display: block; width: 22px; height: 2px; background: var(--text2); border-radius: 2px; transition: var(--transition); }
.mobile-menu {
  display: none; flex-direction: column; padding: 16px 24px 20px;
  border-top: 1px solid var(--border); background: var(--bg);
}
.mobile-menu a { color: var(--text2); text-decoration: none; padding: 10px 0; font-size: 1rem; border-bottom: 1px solid var(--border); }
.mobile-menu.open { display: flex; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center; position: relative; overflow: hidden;
  padding: 120px 24px 80px;
}
.hero-bg { position: absolute; inset: 0; pointer-events: none; }
.orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.18;
  animation: orbFloat 10s ease-in-out infinite alternate;
}
.orb1 { width: 500px; height: 500px; background: var(--violet); top: -100px; left: -100px; animation-delay: 0s; }
.orb2 { width: 400px; height: 400px; background: var(--cyan); bottom: -80px; right: -80px; animation-delay: -4s; }
@keyframes orbFloat { from { transform: translate(0,0) scale(1); } to { transform: translate(30px,30px) scale(1.05); } }

.grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
}

.hero-content {
  max-width: 1200px; margin: 0 auto; flex: 1; position: relative; z-index: 2;
  max-width: 680px;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; border-radius: 9999px; background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25); font-size: 0.8rem; font-weight: 600;
  color: var(--cyan-light); margin-bottom: 28px; letter-spacing: 0.04em;
}
.badge-dot {
  width: 6px; height: 6px; background: var(--cyan); border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100% { opacity:1; transform:scale(1); } 50% { opacity:0.5; transform:scale(1.5); } }

.hero-title {
  font-size: clamp(2.8rem, 7vw, 5.5rem); font-weight: 700; line-height: 1.08; margin-bottom: 28px;
}
.title-line { display: block; }
.title-line + .title-line { animation-delay: 0.1s; }

.hero-sub {
  font-size: 1.1rem; color: var(--text2); line-height: 1.75; margin-bottom: 40px; max-width: 540px;
}
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 56px; }

.hero-stats { display: flex; align-items: center; gap: 32px; }
.stat { display: flex; flex-direction: column; gap: 2px; }
.stat-num { font-family: 'Space Grotesk', sans-serif; font-size: 1.8rem; font-weight: 700; color: var(--text); }
.stat-label { font-size: 0.78rem; color: var(--text3); text-transform: uppercase; letter-spacing: 0.08em; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

.hero-visual {
  position: absolute; right: 5%; top: 50%; transform: translateY(-50%);
  z-index: 1; opacity: 0.5; pointer-events: none;
}
.x-mark { position: relative; width: 280px; height: 280px; }
.x-mark svg { width: 100%; height: 100%; animation: xSpin 20s linear infinite; }
@keyframes xSpin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.x-ring {
  position: absolute; border-radius: 50%; border: 1px solid;
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  animation: ringPulse 3s ease-in-out infinite;
}
.x-ring1 { width: 310px; height: 310px; border-color: rgba(124,58,237,0.2); animation-delay: 0s; }
.x-ring2 { width: 370px; height: 370px; border-color: rgba(6,182,212,0.12); animation-delay: -1.5s; }
@keyframes ringPulse { 0%,100% { opacity:0.3; transform:translate(-50%,-50%) scale(1); } 50% { opacity:0.7; transform:translate(-50%,-50%) scale(1.03); } }

/* ===== ABOUT ===== */
.about { padding: 100px 0; background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; margin-top: 48px; }
.about-text p { color: var(--text2); margin-bottom: 20px; line-height: 1.8; }
.about-pillars { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.pillar {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 16px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius-sm); font-size: 0.85rem; font-weight: 500;
  transition: var(--transition);
}
.pillar:hover { border-color: rgba(124,58,237,0.4); background: rgba(124,58,237,0.08); }

.about-card-group { display: flex; flex-direction: column; gap: 16px; }
.about-card {
  display: flex; gap: 20px; padding: 24px; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); transition: var(--transition);
}
.about-card:hover { border-color: rgba(124,58,237,0.3); transform: translateX(4px); }
.about-card-num {
  font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 700;
  color: var(--text3); min-width: 36px;
}
.about-card-body h3 { font-size: 1rem; margin-bottom: 6px; }
.about-card-body p { font-size: 0.9rem; color: var(--text2); }

/* ===== SERVICES ===== */
.services { padding: 100px 0; }
.services-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px; margin-top: 8px;
}
.service-card--wide { grid-column: 1 / -1; max-width: 600px; }

.service-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; cursor: default; transition: var(--transition); position: relative; overflow: hidden;
}
.service-card::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; border-radius: 3px 0 0 3px; transition: width 0.35s ease;
}
.service-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.12); }
.service-card:hover::before { width: 6px; }
.service-card:focus { outline: none; box-shadow: 0 0 0 2px var(--violet); }

/* Color variants */
.service-card[data-color="violet"]::before { background: var(--violet); }
.service-card[data-color="violet"]:hover { box-shadow: 0 8px 32px rgba(124,58,237,0.2); }
.service-card[data-color="cyan"]::before { background: var(--cyan); }
.service-card[data-color="cyan"]:hover { box-shadow: 0 8px 32px rgba(6,182,212,0.2); }
.service-card[data-color="pink"]::before { background: var(--pink); }
.service-card[data-color="pink"]:hover { box-shadow: 0 8px 32px rgba(236,72,153,0.2); }
.service-card[data-color="orange"]::before { background: var(--orange); }
.service-card[data-color="orange"]:hover { box-shadow: 0 8px 32px rgba(249,115,22,0.2); }
.service-card[data-color="green"]::before { background: var(--green); }
.service-card[data-color="green"]:hover { box-shadow: 0 8px 32px rgba(16,185,129,0.2); }

.service-icon { font-size: 2rem; margin-bottom: 14px; }
.service-card h3 { font-size: 1.05rem; margin-bottom: 14px; }
.service-card ul { list-style: none; display: flex; flex-direction: column; gap: 6px; }
.service-card ul li { font-size: 0.85rem; color: var(--text2); padding-left: 14px; position: relative; }
.service-card ul li::before { content: '–'; position: absolute; left: 0; color: var(--text3); }
.ul-row { flex-direction: row !important; flex-wrap: wrap; gap: 8px !important; }
.ul-row li { padding: 4px 12px; background: var(--card2); border-radius: 20px; padding-left: 12px !important; }
.ul-row li::before { display: none; }

/* ===== APPLY SECTION ===== */
.apply-section { padding: 100px 0; background: var(--bg2); }
.apply-section .container { margin: 0 auto; }

.apply-form {
  background: var(--card); border: 1px solid var(--border); border-radius: 20px;
  padding: 48px; margin-top: 8px;
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 7px; margin-bottom: 20px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text2); letter-spacing: 0.02em; }
.req { color: var(--pink); }
.optional { color: var(--text3); font-weight: 400; }

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 16px; color: var(--text); font-family: 'Inter', sans-serif; font-size: 0.95rem;
  transition: border-color var(--transition), box-shadow var(--transition); width: 100%;
  outline: none; resize: vertical;
}
.form-group select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235A5A80' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; }
.form-group select option { background: var(--bg2); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--violet); box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.form-group input.invalid, .form-group select.invalid, .form-group textarea.invalid {
  border-color: #EF4444 !important;
}
.form-error { font-size: 0.78rem; color: #EF4444; min-height: 18px; }

.btn-submit {
  width: 100%; justify-content: center; padding: 15px 28px;
  font-size: 1rem; margin-top: 8px; border-radius: var(--radius);
}
.btn-loader {
  width: 16px; height: 16px; border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff; border-radius: 50%;
  animation: spin 0.7s linear infinite; display: none;
}
.btn-loader.active { display: block; }
@keyframes spin { to { transform: rotate(360deg); } }

/* SUCCESS OVERLAY */
.success-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.75); backdrop-filter: blur(8px);
  z-index: 200; display: flex; align-items: center; justify-content: center;
  animation: fadeIn 0.25s ease;
}
.success-overlay[hidden] { display: none; }
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
.success-card {
  background: var(--card2); border: 1px solid var(--border); border-radius: 20px;
  padding: 48px 40px; text-align: center; max-width: 400px; margin: 16px;
  animation: slideUp 0.35s cubic-bezier(0.34,1.56,0.64,1);
}
@keyframes slideUp { from { transform:translateY(30px); opacity:0; } to { transform:translateY(0); opacity:1; } }
.success-icon {
  width: 64px; height: 64px; background: linear-gradient(135deg, var(--violet), var(--cyan));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; margin: 0 auto 24px; color: #fff;
}
.success-card h3 { font-size: 1.4rem; margin-bottom: 12px; }
.success-card p { color: var(--text2); font-size: 0.95rem; line-height: 1.7; margin-bottom: 28px; }

/* ===== ADMIN ===== */
.admin-section { padding: 100px 0; }
.admin-controls {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 24px; margin-top: 8px;
}
.admin-search {
  flex: 1; min-width: 200px; max-width: 400px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 10px 16px; color: var(--text); font-family: 'Inter', sans-serif;
  font-size: 0.9rem; outline: none; transition: border-color var(--transition);
}
.admin-search:focus { border-color: var(--violet); }
.admin-count { font-size: 0.82rem; color: var(--text3); margin-left: auto; }

.admin-table-wrap {
  overflow-x: auto; border-radius: var(--radius);
  border: 1px solid var(--border); background: var(--card);
}
.admin-empty { padding: 60px 24px; text-align: center; }
.admin-empty p { color: var(--text2); margin-bottom: 20px; }
.admin-empty code { background: var(--card2); padding: 2px 7px; border-radius: 4px; font-size: 0.85em; }

.admin-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.admin-table th {
  padding: 14px 16px; background: var(--bg); text-align: left; color: var(--text3);
  font-weight: 600; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.08em;
  white-space: nowrap; border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 14px 16px; border-bottom: 1px solid var(--border); color: var(--text2);
  vertical-align: top; max-width: 240px;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(255,255,255,0.02); }
.admin-table td.trunc { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 180px; }
.admin-table a { color: var(--cyan); text-decoration: none; }
.admin-table a:hover { text-decoration: underline; }

/* ===== FOOTER ===== */
.footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 48px 24px; }
.footer-inner {
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 24px;
}
.footer-brand p { color: var(--text3); font-size: 0.85rem; margin-top: 8px; }
.footer-links { display: flex; gap: 28px; }
.footer-links a { color: var(--text3); font-size: 0.88rem; text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--text); }
.footer-copy { color: var(--text3); font-size: 0.82rem; }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero { flex-direction: column; }
  .hero-visual { position: relative; top: auto; right: auto; transform: none; opacity: 0.3; margin-top: 40px; width: 180px; }
  .x-mark { width: 180px; height: 180px; }
  .x-ring1 { width: 200px; height: 200px; }
  .x-ring2 { width: 240px; height: 240px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
}

@media (max-width: 640px) {
  .hero-title { font-size: 2.6rem; }
  .hero-stats { gap: 20px; }
  .stat-num { font-size: 1.4rem; }
  .apply-form { padding: 28px 20px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .section-title { font-size: 1.8rem; }
  .services-grid { grid-template-columns: 1fr; }
}

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