/* =====================================================
   DIGITALPND - Core Design System
   Glassmorphism Premium + Apple iOS Style
   ===================================================== */

:root {
  /* Brand colors */
  --primary: #7F5AF0;
  --secondary: #9D4EDD;
  --accent: #C77DFF;
  --dark: #240046;
  --bg-deep: #3A0CA3;
  --highlight: #E0AAFF;

  /* Surfaces */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-strong: rgba(255, 255, 255, 0.14);
  --glass-border: rgba(255, 255, 255, 0.18);
  --glass-shadow: 0 8px 32px rgba(36, 0, 70, 0.45);

  /* Text */
  --text: #F5F0FF;
  --text-muted: rgba(245, 240, 255, 0.72);
  --text-dim: rgba(245, 240, 255, 0.55);

  /* Metrics */
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --blur: 30px;

  /* Layout */
  --sidebar-w: 88px;
  --sidebar-w-open: 250px;

  /* Fonts */
  --font-sans: "SF Pro Display", "SF Pro Text", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Gradients */
  --grad-brand: linear-gradient(135deg, #240046, #3A0CA3, #7F5AF0, #C77DFF);
  --grad-text: linear-gradient(135deg, #E0AAFF, #C77DFF, #7F5AF0);
  --transition: 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--text);
  background: #05030a;
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Deep black background with subtle elegant glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 18% 22%, rgba(127, 90, 240, 0.22), transparent 38%),
    radial-gradient(circle at 82% 78%, rgba(157, 78, 221, 0.18), transparent 42%),
    radial-gradient(circle at 50% 50%, rgba(58, 12, 163, 0.12), transparent 55%),
    #05030a;
  background-size: 100% 100%;
  animation: gradientShift 22s ease infinite;
}
/* Subtle vignette for depth */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.55) 100%);
  pointer-events: none;
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Elegant glass orbs (soft glowing blobs) */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(70px);
  opacity: 0.35;
  z-index: -1;
  pointer-events: none;
  animation: float 16s ease-in-out infinite;
}
.orb-1 { width: 320px; height: 320px; top: 8%; left: -60px; background: #7F5AF0; opacity: 0.28; }
.orb-2 { width: 260px; height: 260px; bottom: 10%; right: -40px; background: #9D4EDD; animation-delay: -5s; opacity: 0.25; }
.orb-3 { width: 200px; height: 200px; top: 45%; left: 55%; background: #C77DFF; animation-delay: -9s; opacity: 0.18; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50%      { transform: translate(30px, -40px) scale(1.08); }
}

/* ---------- Elegant moving bubbles ---------- */
.bubbles {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}
.bubbles span {
  position: absolute;
  bottom: -120px;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, rgba(224, 170, 255, 0.55), rgba(127, 90, 240, 0.25) 55%, rgba(127, 90, 240, 0) 70%);
  box-shadow: 0 0 18px rgba(199, 125, 255, 0.35), inset 0 0 14px rgba(255, 255, 255, 0.18);
  animation: rise linear infinite;
  opacity: 0;
}
@keyframes rise {
  0%   { transform: translateY(0) translateX(0) scale(0.6); opacity: 0; }
  10%  { opacity: 0.9; }
  50%  { transform: translateY(-50vh) translateX(20px) scale(1); }
  90%  { opacity: 0.5; }
  100% { transform: translateY(-110vh) translateX(-15px) scale(0.85); opacity: 0; }
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; }

/* ---------- Layout ---------- */
.app-shell { display: flex; min-height: 100vh; }
.main-area { flex: 1; margin-left: var(--sidebar-w); transition: var(--transition); }

.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding: 96px 0; position: relative; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.section-title { font-size: clamp(1.9rem, 4vw, 3rem); font-weight: 700; letter-spacing: -0.02em; }
.section-sub { color: var(--text-muted); margin-top: 12px; font-size: 1.05rem; }

.gradient-text {
  background: var(--grad-text);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ---------- Glass card ---------- */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--glass-shadow);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.97rem;
  transition: var(--transition);
  white-space: nowrap;
  cursor: pointer;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 8px 24px rgba(127, 90, 240, 0.45);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(199, 125, 255, 0.55); }
.btn-ghost {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text);
  backdrop-filter: blur(var(--blur));
  -webkit-backdrop-filter: blur(var(--blur));
}
.btn-ghost:hover { background: var(--glass-bg-strong); transform: translateY(-3px); }

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  top: 24px;
  left: 24px;
  bottom: 24px;
  width: var(--sidebar-w);
  z-index: 100;
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  transition: width var(--transition);
}
.sidebar:hover { width: var(--sidebar-w-open); align-items: stretch; }
.sidebar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  margin-bottom: 14px;
  width: 100%;
  justify-content: center;
}
.sidebar:hover .brand { justify-content: flex-start; }
.brand-logo {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  display: grid; place-items: center;
  font-weight: 800; color: #fff; font-size: 1.1rem;
  box-shadow: 0 6px 18px rgba(127,90,240,0.5);
}
.brand-name { font-weight: 700; font-size: 1.05rem; white-space: nowrap; display: none; }
.sidebar:hover .brand-name { display: inline; }

.nav-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border-radius: 16px;
  color: var(--text-muted);
  font-weight: 500;
  width: 100%;
  justify-content: center;
  transition: var(--transition);
  position: relative;
}
.sidebar:hover .nav-link { justify-content: flex-start; }
.nav-link .nav-label {
  display: none;
  white-space: nowrap;
}
.sidebar:hover .nav-link .nav-label { display: inline; }
.nav-link svg, .nav-link i { width: 22px; height: 22px; flex-shrink: 0; }
.nav-link:hover { background: var(--glass-bg-strong); color: var(--text); }
.nav-link.active {
  background: linear-gradient(135deg, rgba(127,90,240,0.35), rgba(199,125,255,0.25));
  color: #fff;
}
.nav-link.active::before {
  content: ""; position: absolute; left: -14px; top: 50%; transform: translateY(-50%);
  width: 4px; height: 26px; border-radius: 0 4px 4px 0; background: var(--highlight);
}

.sidebar-foot { margin-top: auto; }

/* ---------- Language switcher ---------- */
.lang-switch {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  padding: 4px; border-radius: 100px; backdrop-filter: blur(var(--blur));
}
.lang-btn {
  padding: 6px 14px; border-radius: 100px; font-size: 0.8rem; font-weight: 600;
  color: var(--text-muted); transition: var(--transition); display: inline-flex; align-items: center; gap: 6px;
}
.lang-btn.active { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }

/* ---------- Hero ---------- */
.hero { padding: 120px 0 80px; position: relative; }
.hero-inner { max-width: 880px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 18px; border-radius: 100px; font-size: 0.85rem; font-weight: 600;
  margin-bottom: 24px;
}
.hero h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 20px; }
.hero .hero-sub { font-size: clamp(1.1rem, 2vw, 1.4rem); color: var(--highlight); font-weight: 500; margin-bottom: 18px; }
.hero .hero-desc { font-size: 1.05rem; color: var(--text-muted); max-width: 680px; margin-bottom: 32px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; }

.typed-cursor { display: inline-block; width: 3px; background: var(--accent); margin-left: 4px; animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* ---------- Advantage grid ---------- */
.adv-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.adv-item {
  display: flex; align-items: center; gap: 14px; padding: 22px;
  border-radius: var(--radius); transition: var(--transition);
}
.adv-item:hover { transform: translateY(-4px); background: var(--glass-bg-strong); }
.adv-check {
  width: 44px; height: 44px; flex-shrink: 0; border-radius: 14px;
  background: linear-gradient(135deg, rgba(127,90,240,0.4), rgba(199,125,255,0.3));
  display: grid; place-items: center; color: var(--highlight);
}

/* ---------- Stats ---------- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; }
.stat-card { padding: 30px; text-align: center; border-radius: var(--radius); }
.stat-num { font-size: clamp(2rem, 4vw, 3rem); font-weight: 800; line-height: 1; }
.stat-label { color: var(--text-muted); margin-top: 8px; font-weight: 500; }

/* ---------- Service cards ---------- */
.service-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 22px; }
.service-card { padding: 30px; border-radius: var(--radius-lg); transition: var(--transition); display: flex; flex-direction: column; }
.service-card:hover { transform: translateY(-8px); background: var(--glass-bg-strong); }
.service-icon {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; margin-bottom: 18px;
  box-shadow: 0 8px 20px rgba(127,90,240,0.4);
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.service-card p { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
.service-price { margin: 18px 0; font-weight: 700; font-size: 1.15rem; }
.service-price small { display: block; color: var(--text-dim); font-weight: 500; font-size: 0.75rem; margin-bottom: 2px; }

/* ---------- Portfolio ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 36px; }
.filter-btn { padding: 10px 22px; border-radius: 100px; font-weight: 600; font-size: 0.9rem; color: var(--text-muted); background: var(--glass-bg); border: 1px solid var(--glass-border); transition: var(--transition); }
.filter-btn.active, .filter-btn:hover { background: linear-gradient(135deg, var(--primary), var(--accent)); color: #fff; }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 22px; }
.portfolio-card { border-radius: var(--radius-lg); overflow: hidden; transition: var(--transition); }
.portfolio-card:hover { transform: translateY(-8px); }
.portfolio-thumb { aspect-ratio: 16/10; background: linear-gradient(135deg, var(--dark), var(--primary)); position: relative; overflow: hidden; }
.portfolio-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(36,0,70,0.85), transparent 60%); }
.portfolio-body { padding: 22px; }
.portfolio-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.portfolio-body p { color: var(--text-muted); font-size: 0.9rem; }
.portfolio-cat { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--highlight); }

/* ---------- Timeline ---------- */
.timeline { position: relative; max-width: 800px; margin: 0 auto; padding-left: 32px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 0; bottom: 0; width: 2px; background: linear-gradient(var(--primary), var(--accent)); }
.tl-item { position: relative; padding-bottom: 36px; }
.tl-item::before { content: ""; position: absolute; left: -32px; top: 4px; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(199,125,255,0.25); }
.tl-year { color: var(--highlight); font-weight: 700; font-size: 0.85rem; }
.tl-item h3 { font-size: 1.1rem; margin: 4px 0; }
.tl-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ---------- Testimonials ---------- */
.testimonial-card { padding: 30px; border-radius: var(--radius-lg); max-width: 720px; margin: 0 auto; text-align: center; }
.testimonial-stars { color: #FFD60A; margin-bottom: 14px; letter-spacing: 2px; }
.testimonial-text { font-size: 1.1rem; font-style: italic; margin-bottom: 20px; }
.testimonial-author { display: flex; align-items: center; justify-content: center; gap: 12px; }
.testimonial-photo { width: 54px; height: 54px; border-radius: 50%; object-fit: cover; background: linear-gradient(135deg, var(--primary), var(--accent)); }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 30px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 20px; }
.contact-info-icon { width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, var(--primary), var(--accent)); display: grid; place-items: center; color: #fff; flex-shrink: 0; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 8px; font-size: 0.9rem; color: var(--text-muted); }
.form-control {
  width: 100%; padding: 14px 18px; border-radius: var(--radius-sm);
  background: var(--glass-bg); border: 1px solid var(--glass-border);
  color: var(--text); font-family: inherit; font-size: 0.95rem; transition: var(--transition);
}
.form-control::placeholder { color: var(--text-dim); }
.form-control:focus { outline: none; border-color: var(--accent); background: var(--glass-bg-strong); box-shadow: 0 0 0 3px rgba(199,125,255,0.2); }
textarea.form-control { min-height: 130px; resize: vertical; }
.form-msg { padding: 14px 18px; border-radius: var(--radius-sm); background: rgba(127,90,240,0.2); border: 1px solid var(--accent); margin-bottom: 18px; font-size: 0.92rem; }

/* ---------- Floating WhatsApp ---------- */
.wa-float {
  position: fixed; right: 24px; bottom: 24px; z-index: 200;
  width: 60px; height: 60px; border-radius: 50%;
  background: #25D366; display: grid; place-items: center;
  color: #fff; box-shadow: 0 8px 28px rgba(37,211,102,0.5);
  transition: var(--transition); animation: waPulse 2.5s infinite;
}
.wa-float:hover { transform: scale(1.1) rotate(-6deg); }
@keyframes waPulse { 0% { box-shadow: 0 0 0 0 rgba(37,211,102,0.55); } 70% { box-shadow: 0 0 0 16px rgba(37,211,102,0); } 100% { box-shadow: 0 0 0 0 rgba(37,211,102,0); } }

/* ---------- Footer ---------- */
.footer { padding: 60px 0 30px; margin-top: 60px; border-top: 1px solid var(--glass-border); }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer h4 { font-size: 1rem; margin-bottom: 16px; color: var(--highlight); }
.footer a { color: var(--text-muted); display: block; padding: 5px 0; transition: var(--transition); }
.footer a:hover { color: var(--text); transform: translateX(4px); }
.footer-bottom { text-align: center; color: var(--text-dim); font-size: 0.85rem; padding-top: 24px; border-top: 1px solid var(--glass-border); }

/* ---------- Mobile nav ---------- */
.mobile-topbar {
  display: none; position: fixed; top: 0; left: 0; right: 0; z-index: 110;
  padding: 14px 18px; justify-content: space-between; align-items: center;
  background: rgba(36,0,70,0.55); backdrop-filter: blur(var(--blur)); border-bottom: 1px solid var(--glass-border);
}
.menu-toggle { width: 44px; height: 44px; border-radius: 12px; background: var(--glass-bg); display: grid; place-items: center; }
.mobile-drawer {
  position: fixed; top: 0; left: 0; bottom: 0; width: 280px; z-index: 120;
  padding: 24px; transform: translateX(-100%); transition: var(--transition);
  display: flex; flex-direction: column; gap: 6px; overflow-y: auto;
}
.mobile-drawer.open { transform: translateX(0); }
.mobile-overlay { position: fixed; inset: 0; background: rgba(36,0,70,0.6); z-index: 115; opacity: 0; pointer-events: none; transition: var(--transition); }
.mobile-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-drawer .nav-link { justify-content: flex-start; }

/* ---------- Animation utilities ---------- */
[data-aos] { opacity: 0; transform: translateY(30px); transition: opacity 0.7s ease, transform 0.7s ease; }
[data-aos].aos-in { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */
@media (max-width: 992px) {
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sidebar-w: 0px; }
  .sidebar { display: none; }
  .main-area { margin-left: 0; padding-top: 72px; }
  .mobile-topbar { display: flex; }
  .section { padding: 64px 0; }
  .hero { padding: 40px 0 60px; }
  .hero-cta .btn { flex: 1; justify-content: center; }
}