/* ===================================================================
   Dotcase — promotional site styles
   Dark theme, neon-blue accent (matches brand screenshots)
   =================================================================== */

:root {
  --bg: #0a1017;
  --bg-2: #0d1620;
  --bg-card: #111d28;
  --bg-card-2: #14202c;
  --border: #1e2e3c;
  --border-soft: #18242f;
  --accent: #45c8f5;
  --accent-soft: #7ad8f9;
  --accent-glow: rgba(69, 200, 245, 0.45);
  --text: #eaf1f6;
  --muted: #93a7b8;
  --muted-2: #6f8597;
  --radius: 16px;
  --radius-pill: 999px;
  --maxw: 1120px;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 22px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 0.98rem;
  border-radius: var(--radius-pill);
  padding: 13px 26px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.2s ease, background 0.2s ease;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: #04222e;
  box-shadow: 0 0 0 1px rgba(69, 200, 245, 0.4), 0 8px 28px var(--accent-glow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 0 1px var(--accent), 0 12px 34px var(--accent-glow); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-soft); }
.btn-lg { padding: 16px 32px; font-size: 1.02rem; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 16, 23, 0.82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-soft);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 20px; }

.logo {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 1.5rem;
  color: var(--accent);
  letter-spacing: -0.5px;
  text-shadow: 0 0 18px var(--accent-glow);
}

.nav-desktop { display: flex; gap: 30px; margin-left: auto; }
.nav-desktop a { color: var(--muted); font-weight: 500; font-size: 0.96rem; transition: color 0.15s ease; }
.nav-desktop a:hover { color: var(--text); }

.btn-header { padding: 11px 22px; font-size: 0.92rem; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span { width: 26px; height: 2.5px; background: var(--text); border-radius: 2px; }

/* ---------- Mobile menu ---------- */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: var(--bg);
  transform: translateX(100%);
  transition: transform 0.28s ease;
  visibility: hidden;
}
.mobile-menu.open { transform: translateX(0); visibility: visible; }
.mobile-menu-head {
  display: flex; align-items: center; justify-content: space-between;
  height: 70px; border-bottom: 1px solid var(--border-soft);
}
.menu-close { background: none; border: none; color: var(--accent); font-size: 2rem; line-height: 1; cursor: pointer; }
.mobile-nav { display: flex; flex-direction: column; gap: 6px; padding-top: 30px; }
.mobile-nav a { font-size: 1.5rem; font-weight: 500; color: var(--text); padding: 16px 0; border-bottom: 1px solid var(--border-soft); }
.mobile-nav a.btn { justify-content: center; margin-top: 24px; border-bottom: none; font-size: 1rem; }

/* ---------- Desktop nav dropdown ---------- */
.nav-item.has-dropdown { position: relative; display: flex; align-items: center; }
.nav-link-drop { color: var(--muted); font-weight: 500; font-size: 0.96rem; display: inline-flex; align-items: center; gap: 5px; transition: color 0.15s ease; }
.nav-item.has-dropdown:hover .nav-link-drop,
.nav-item.has-dropdown:focus-within .nav-link-drop { color: var(--text); }
.caret { font-size: 0.66rem; transition: transform 0.2s ease; }
.nav-item.has-dropdown:hover .caret,
.nav-item.has-dropdown:focus-within .caret { transform: rotate(180deg); }
.dropdown {
  position: absolute; top: 100%; left: 50%;
  transform: translateX(-50%) translateY(10px);
  min-width: 240px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 8px;
  display: flex; flex-direction: column; gap: 2px;
  box-shadow: var(--shadow);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  z-index: 60;
}
/* invisible bridge so the menu stays open while moving the cursor onto it */
.dropdown::before { content: ""; position: absolute; top: -12px; left: 0; right: 0; height: 12px; }
.nav-item.has-dropdown:hover .dropdown,
.nav-item.has-dropdown:focus-within .dropdown {
  opacity: 1; visibility: visible; pointer-events: auto;
  transform: translateX(-50%) translateY(6px);
}
.nav-desktop .dropdown a,
.nav-desktop .dropdown .dropdown-disabled {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 11px 14px; border-radius: 8px; font-size: 0.95rem; font-weight: 500;
}
.nav-desktop .dropdown a { color: var(--text); }
.nav-desktop .dropdown a:hover { background: rgba(69, 200, 245, 0.10); color: var(--accent-soft); }
.dropdown-disabled { color: var(--muted-2); cursor: not-allowed; }
.dropdown-disabled em {
  font-style: normal; font-size: 0.7rem; color: var(--muted-2);
  background: var(--bg-2); padding: 2px 9px; border-radius: 999px; border: 1px solid var(--border);
}

/* ---------- Mobile nav dropdown ---------- */
.mobile-dropdown summary {
  list-style: none; cursor: pointer;
  font-size: 1.5rem; font-weight: 500; color: var(--text);
  padding: 16px 0; border-bottom: 1px solid var(--border-soft);
  display: flex; align-items: center; justify-content: space-between;
}
.mobile-dropdown summary::-webkit-details-marker { display: none; }
.mobile-dropdown summary::after { content: "▾"; font-size: 1rem; color: var(--accent); transition: transform 0.2s ease; }
.mobile-dropdown[open] summary::after { transform: rotate(180deg); }
.mobile-nav .mobile-dropdown a,
.mobile-nav .mobile-dropdown .mobile-disabled {
  display: block; font-size: 1.12rem; font-weight: 500;
  padding: 13px 0 13px 18px; border-bottom: 1px solid var(--border-soft);
}
.mobile-nav .mobile-dropdown a { color: var(--accent-soft); }
.mobile-nav .mobile-dropdown .mobile-disabled { color: var(--muted-2); }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; }
.hero-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(900px 520px at 75% 12%, rgba(69, 200, 245, 0.16), transparent 60%),
    radial-gradient(700px 480px at 12% 88%, rgba(69, 200, 245, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.25;
  mask-image: radial-gradient(circle at 50% 30%, #000, transparent 75%);
}
/* Neon line-art: e-commerce · brand · software development */
.hero-bg::before {
  content: "";
  position: absolute; inset: 0;
  background: url('assets/hero-bg.svg') center / cover no-repeat;
  opacity: 0.5;
  mask-image: radial-gradient(ellipse 56% 52% at 50% 46%, transparent 8%, rgba(0,0,0,0.6) 46%, #000 78%);
  -webkit-mask-image: radial-gradient(ellipse 56% 52% at 50% 46%, transparent 8%, rgba(0,0,0,0.6) 46%, #000 78%);
}
@media (max-width: 700px) { .hero-bg::before { opacity: 0.32; } }
.hero-inner { position: relative; padding: 120px 22px 110px; text-align: center; }
.hero-title {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: clamp(2.8rem, 9vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: -2px;
}
.hero-sub {
  margin: 26px auto 0;
  max-width: 620px;
  color: var(--muted);
  font-size: clamp(1.05rem, 2.4vw, 1.35rem);
}
.hero-actions { margin-top: 38px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---------- Stats ---------- */
.stats { border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); background: var(--bg-2); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 34px 18px; text-align: center; border-right: 1px solid var(--border-soft); }
.stat:last-child { border-right: none; }
.stat-num { display: block; font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 2.4rem; color: var(--accent); text-shadow: 0 0 22px var(--accent-glow); }
.stat-label { display: block; margin-top: 8px; font-size: 0.86rem; color: var(--muted-2); }

/* ---------- Sections ---------- */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-2); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.eyebrow { color: var(--accent); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; }
.section-title { font-family: 'Poppins', sans-serif; font-weight: 700; font-size: clamp(2rem, 5vw, 2.9rem); letter-spacing: -1px; margin-top: 10px; }
.section-lead { color: var(--muted); max-width: 640px; margin-top: 14px; font-size: 1.08rem; }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 48px; }
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.card:hover { transform: translateY(-4px); border-color: var(--accent); box-shadow: 0 14px 40px rgba(69, 200, 245, 0.12); }
.card-icon {
  width: 54px; height: 54px;
  display: grid; place-items: center;
  border-radius: 15px;
  background: linear-gradient(145deg, rgba(69, 200, 245, 0.16), rgba(69, 200, 245, 0.04));
  border: 1px solid rgba(69, 200, 245, 0.28);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06), 0 6px 20px rgba(69, 200, 245, 0.10);
  margin-bottom: 20px;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.card-icon svg {
  width: 27px; height: 27px;
  stroke: var(--accent);
  filter: drop-shadow(0 0 6px var(--accent-glow));
}
.card:hover .card-icon {
  transform: translateY(-2px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 10px 26px rgba(69, 200, 245, 0.20);
}
.card h3 { font-family: 'Poppins', sans-serif; font-size: 1.25rem; font-weight: 600; }
.card p { color: var(--muted); margin-top: 12px; font-size: 0.98rem; }

/* ---------- Why grid ---------- */
.why-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; margin-top: 48px; }
.why-item { padding: 28px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--bg-card); }
.why-item h3 { font-family: 'Poppins', sans-serif; font-size: 1.18rem; font-weight: 600; color: var(--accent-soft); }
.why-item p { color: var(--muted); margin-top: 10px; }

/* ---------- Projects ---------- */
.projects { grid-template-columns: repeat(3, minmax(0, 1fr)); grid-auto-rows: 1fr; }
.project-card { display: flex; flex-direction: column; }
.project-head { display: flex; align-items: center; justify-content: space-between; gap: 14px; min-height: 76px; }
.project-title { display: flex; align-items: center; gap: 14px; min-width: 0; }
.project-logo {
  width: 52px; height: 52px; flex: 0 0 52px;
  border-radius: 16px;
  overflow: hidden;
  object-fit: cover;
  box-shadow: 0 0 0 1px var(--border), 0 2px 6px rgba(0,0,0,0.08);
}
.project-head h3 { color: var(--accent); font-size: 1.2rem; line-height: 1.25; margin: 0; }
.project-ext {
  width: 42px; height: 42px; flex-shrink: 0;
  display: grid; place-items: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: 1.1rem;
  transition: border-color 0.2s ease, background 0.2s ease;
}
a.project-ext:hover { border-color: var(--accent); background: rgba(69, 200, 245, 0.1); }
.project-card p { color: var(--muted); margin-top: 16px; flex-grow: 1; }
.project-link { color: var(--accent); font-weight: 600; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border-soft); }
.project-link:hover { color: var(--accent-soft); }
.project-tag { display: inline-block; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--border-soft); color: var(--muted-2); font-size: 0.88rem; }

/* ---------- CTA band ---------- */
.cta-band { background: linear-gradient(120deg, #0e1f2b, #0b1a25); border-top: 1px solid var(--border-soft); border-bottom: 1px solid var(--border-soft); }
.cta-inner { text-align: center; padding: 80px 22px; }
.cta-inner h2 { font-family: 'Poppins', sans-serif; font-size: clamp(1.8rem, 5vw, 2.6rem); font-weight: 700; letter-spacing: -1px; }
.cta-inner p { color: var(--muted); max-width: 520px; margin: 14px auto 30px; font-size: 1.08rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 56px; align-items: start; }
.contact-list { list-style: none; margin-top: 30px; display: flex; flex-direction: column; gap: 18px; }
.contact-list li { display: flex; flex-direction: column; }
.contact-list strong { color: var(--muted-2); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 1.5px; font-weight: 600; }
.contact-list a, .contact-list span { color: var(--text); font-size: 1.05rem; margin-top: 2px; }
.contact-list a:hover { color: var(--accent); }

.contact-form { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; }
.field { margin-bottom: 18px; display: flex; flex-direction: column; }
.field label { font-size: 0.86rem; color: var(--muted); margin-bottom: 7px; font-weight: 500; }
.optional { color: var(--muted-2); font-weight: 400; }
.field input, .field textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 13px 15px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.98rem;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px rgba(69, 200, 245, 0.15); }
.field textarea { resize: vertical; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.contact-form .btn { width: 100%; justify-content: center; margin-top: 6px; }
.form-note { color: var(--muted-2); font-size: 0.82rem; margin-top: 14px; text-align: center; }

/* ---------- Footer ---------- */
.site-footer { background: var(--bg-2); border-top: 1px solid var(--border-soft); padding: 56px 0 28px; }
.footer-inner { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.footer-brand p { color: var(--muted); margin-top: 14px; font-size: 0.95rem; }
.footer-nav { display: flex; gap: 26px; flex-wrap: wrap; align-items: center; }
.footer-nav a { color: var(--muted); font-weight: 500; }
.footer-nav a:hover { color: var(--accent); }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-soft);
  color: var(--muted-2); font-size: 0.88rem;
}
.footer-bottom a:hover { color: var(--accent); }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .nav-desktop, .btn-header { display: none; }
  .menu-toggle { display: flex; }
  .cards, .why-grid, .projects, .contact-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(2) { border-right: none; }
  .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid var(--border-soft); }
  .section { padding: 72px 0; }
  .hero-inner { padding: 90px 22px 80px; }
  .contact-grid { gap: 36px; }
}
@media (max-width: 460px) {
  .hero-actions .btn { width: 100%; justify-content: center; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}