/* =========================================================================
   AlphaCore Technologies Limited - EXACT MATCH STYLESHEET
========================================================================= */

:root {
  --blue-primary: #0A4DF0;
  --blue-light: #EEF3FF;
  --blue-hover: #083BC6;
  --bg-main: #FFFFFF;
  --bg-alt: #FAFBFC;
  --text-dark: #1C2539;
  --text-muted: #6C798F;
  --border-color: #E6E9EE;
  --font-sans: 'Inter', 'Noto Sans TC', sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 10px 30px rgba(10, 77, 240, 0.08);
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-dark);
  background: var(--bg-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.text-blue { color: var(--blue-primary); }
.text-red { color: #F03C3C; }

/* ================= HEADER ================= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 80px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  display: flex;
  align-items: center;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo img { height: 36px; }
.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-text strong {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}
.logo-text span {
  font-size: 0.5rem;
  letter-spacing: 2px;
  color: var(--blue-primary);
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 32px;
}
.nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  position: relative;
  padding: 28px 0;
}
.nav a:hover, .nav a.active {
  color: var(--blue-primary);
}
.nav a.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: var(--blue-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 24px;
}

.lang-switch {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
}
.lang-switch .active { color: var(--blue-primary); }
.lang-switch .divider { margin: 0 4px; color: var(--border-color); font-weight: 400; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}
.btn-primary {
  background: var(--blue-primary);
  color: #fff;
  padding: 10px 24px;
  font-size: 0.9rem;
}
.btn-primary:hover {
  background: var(--blue-hover);
  box-shadow: 0 4px 12px rgba(10, 77, 240, 0.3);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}
.btn-outline {
  background: transparent;
  color: var(--blue-primary);
  border: 1px solid var(--border-color);
  padding: 13px 32px;
}
.btn-outline:hover {
  border-color: var(--blue-primary);
  background: var(--blue-light);
}

.btn-block {
  width: 100%;
}

/* ================= HERO ================= */
.hero {
  padding-top: 140px;
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
  background: url('data:image/svg+xml;utf8,<svg width="100%" height="100%" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="%23f0f2f5" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)" /></svg>');
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 2rem;
}

.pill {
  display: inline-block;
  background: var(--blue-light);
  color: var(--blue-primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.5rem;
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--blue-primary);
  margin-bottom: 24px;
}

.hero-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 480px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
}

.hero-location {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
}

.hero-visual {
  position: relative;
  z-index: 10;
}

.hero-3d-img {
  width: 120%;
  max-width: 800px;
  margin-left: -10%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

.scroll-indicator {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.mouse {
  width: 20px;
  height: 32px;
  border: 2px solid var(--text-muted);
  border-radius: 10px;
  position: relative;
}
.mouse::before {
  content: '';
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: scroll 1.5s infinite;
}

@keyframes scroll {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 12px); opacity: 0; }
}

/* ================= COMMON ================= */
.section-bg { background: var(--bg-alt); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }

.section-header { margin-bottom: 50px; }
.section-header.center { text-align: center; }

.eyebrow {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--blue-primary);
  margin-bottom: 16px;
  display: inline-block;
  background: var(--blue-light);
  padding: 4px 12px;
  border-radius: 4px;
}

h2 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}

p { color: var(--text-muted); }

/* ================= SERVICES ================= */
.services { padding: 80px 0; }

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px 24px;
  transition: all 0.3s ease;
  position: relative;
  display: flex;
  flex-direction: column;
}

.service-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-5px);
  border-color: var(--blue-primary);
}

.icon-wrap {
  width: 80px;
  height: 80px;
  background: var(--bg-alt);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.service-card h3 {
  font-size: 1.1rem;
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 24px;
  flex-grow: 1;
}

.card-link {
  color: var(--blue-primary);
  font-weight: 600;
  font-size: 1.2rem;
  align-self: flex-start;
  transition: transform 0.2s;
}
.service-card:hover .card-link {
  transform: translateX(5px);
}

/* ================= WHY US & TECH ================= */
.why-us {
  padding: 80px 0;
  position: relative;
}

.why-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 60px;
}

.features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
}

.feature-item {
  display: flex;
  gap: 16px;
}

.f-icon {
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  color: var(--blue-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.f-icon svg { width: 24px; height: 24px; }

.f-text h4 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.f-text p {
  font-size: 0.85rem;
}

.tech-stack {
  background: var(--bg-alt);
  border-radius: var(--radius);
  padding: 40px;
  border: 1px solid var(--border-color);
}

.tech-title {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.tech-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tech-card {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: box-shadow 0.2s;
}
.tech-card:hover {
  box-shadow: var(--shadow-sm);
}

.t-icon {
  width: 40px;
  height: 40px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}
/* Placeholders for tech icons */
.t-icon.frontend { background-image: url('https://cdn-icons-png.flaticon.com/512/1126/1126012.png'); filter: hue-rotate(200deg); }
.t-icon.backend { background-image: url('https://cdn-icons-png.flaticon.com/512/919/919825.png'); filter: hue-rotate(200deg); }
.t-icon.cloud { background-image: url('https://cdn-icons-png.flaticon.com/512/4236/4236423.png'); filter: hue-rotate(200deg); }
.t-icon.db { background-image: url('https://cdn-icons-png.flaticon.com/512/2885/2885412.png'); filter: hue-rotate(200deg); }
.t-icon.devops { background-image: url('https://cdn-icons-png.flaticon.com/512/11518/11518876.png'); filter: hue-rotate(200deg); }

.tech-card strong {
  display: block;
  font-size: 0.95rem;
}
.tech-card span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Process Bar */
.process-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 80px;
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 40px;
}

.process-step {
  display: flex;
  align-items: center;
  gap: 16px;
}

.p-icon {
  width: 56px;
  height: 56px;
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue-primary);
}
.p-icon svg { width: 24px; height: 24px; }

.p-text strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 4px;
}
.p-text span {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.4;
}

.p-arrow {
  color: #C0C8D6;
  font-size: 1.5rem;
}

/* ================= CONTACT ================= */
.contact { padding: 80px 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.c-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.c-item {
  display: flex;
  gap: 16px;
  align-items: center;
}

.c-icon {
  width: 40px;
  height: 40px;
  background: var(--blue-light);
  color: var(--blue-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.c-icon svg { width: 18px; height: 18px; }

.c-item strong { display: block; font-size: 0.9rem; margin-bottom: 4px; }
.c-item span { font-size: 0.95rem; color: var(--text-muted); }

.contact-form {
  background: #fff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}
.form-row .form-group { flex: 1; margin-bottom: 0; }

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.95rem;
  background: var(--bg-alt);
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--blue-primary);
  background: #fff;
}

/* ================= FOOTER ================= */
.footer {
  padding: 60px 0 30px;
  background: #fff;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 30px;
}

.f-brand .logo { margin-bottom: 20px; }
.f-desc { font-size: 0.85rem; margin-bottom: 30px; max-width: 320px; }
.f-copy { font-size: 0.8rem; color: #A0AABF; }

.f-links h4 { font-size: 0.95rem; margin-bottom: 20px; }
.f-links a {
  display: block;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.f-links a:hover { color: var(--blue-primary); }

.f-social h4 { font-size: 0.95rem; margin-bottom: 16px; }

.social-icons {
  display: flex;
  gap: 12px;
}
.social-icons a {
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
  color: var(--text-muted);
}
.social-icons a:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
}

.f-lang a { font-size: 0.85rem; color: var(--text-muted); font-weight: 600; }
.f-lang a.active { color: var(--blue-primary); }

.f-legal { margin-top: 20px; font-size: 0.8rem; color: var(--text-muted); }
.f-legal a:hover { color: var(--blue-primary); }

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  background: var(--blue-light);
  color: var(--blue-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s;
  z-index: 100;
}
.back-to-top:hover {
  background: var(--blue-primary);
  color: #fff;
  transform: translateY(-5px);
}

/* ================= MEDIA QUERIES ================= */
@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid, .contact-grid { grid-template-columns: 1fr; }
  .process-bar { flex-direction: column; gap: 24px; align-items: flex-start; }
  .p-arrow { transform: rotate(90deg); margin-left: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 40px; }
  .hero-3d-img { width: 100%; margin: 0; }
  .nav { display: none; }
  .form-row { flex-direction: column; gap: 0; }
}