/* ========================================
   WVSPEC — CLEAN INDUSTRIAL DESIGN SYSTEM
   Inspired by Applied Materials & ASML
   ======================================== */

:root {
  --color-bg: #FFFFFF;
  --color-bg-alt: #F8F9FA;
  --color-text: #050A14;
  --color-text-muted: #495057;
  --color-border: #E9ECEF;
  
  /* Brand Palette */
  --color-navy: #002C5F; /* Royal Industry Navy */
  --color-cyan: #00D4FF; /* Tech Accent */
  --color-gray: #D1D5DB;
  
  --font-head: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --radius-pro: 12px;
  --shadow-pro: 0 4px 12px rgba(0,0,0,0.05);
}

/* Base & Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { 
  overflow: hidden; 
  height: 100vh; 
  width: 100vw;
  margin: 0;
}
body {
  font-family: var(--font-body);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
}

/* Header & Nav */
.main-header {
  position: sticky;
  top: 0;
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  padding: 16px 0;
}
.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo { height: 32px; object-fit: contain; }

.enterprise-nav ul {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
}
.nav-btn:hover { color: var(--color-navy); background: var(--color-bg-alt); }
.nav-btn.active { color: var(--color-navy); background: rgba(0, 44, 95, 0.08); }

.btn-fast-contact {
  background: var(--color-navy);
  color: #fff;
  border: none;
  padding: 10px 24px;
  border-radius: 4px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-fast-contact:hover { background: #001F44; transform: translateY(-1px); }

/* Main SPA Containers */
.view-viewer {
  flex: 1;
  position: relative;
  width: 100%;
  overflow: hidden;
}
.view {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(15px);
  transition: transform var(--transition), opacity var(--transition);
  padding: 0;
  background: #fff;
  /* flex-direction:column fixes the flex+overflow-y scroll bug */
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
#view-home {
  overflow-y: hidden;
  justify-content: center;
  padding: 24px 0;
}
.view.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.view-tag {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2.5px;
  color: var(--color-cyan);
  margin-bottom: 8px;
  display: block;
}

.view-title { font-size: 36px; font-family: var(--font-head); color: var(--color-navy); }

/* HOME VIEW */
.hero-minimal {
  max-width: 1300px;
  width: 100%;
  margin: 0 auto;
  padding: 0 40px;
  display: flex;
  align-items: center;
  gap: 48px;
}
.hero-content { flex: 1.2; }
.hero-slogan {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.1;
  color: var(--color-navy);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero-slogan .accent { color: var(--color-text); opacity: 0.8; }
.hero-intro-box { margin-bottom: 24px; border-left: 2px solid var(--color-border); padding-left: 24px; }
.hero-intro { font-size: 15px; color: var(--color-text); margin-bottom: 10px; line-height: 1.6; font-weight: 500; }
.hero-detail { font-size: 13px; color: var(--color-text-muted); line-height: 1.7; }

.hero-feature-img { flex: 1; }
.img-frame {
  position: relative;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.1);
  background: var(--color-bg-alt);
}
.img-frame img { width: 100%; height: 100%; object-fit: cover; opacity: 1; background: #fff; max-height: 380px; }
.img-frame img.hero-product-overlay {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 52%;
  height: auto;
  max-height: none;
  object-fit: contain;
  background: transparent;
  z-index: 2;
  filter: drop-shadow(0 8px 24px rgba(0,0,0,0.25));
}

.btn-primary, .btn-outline {
  padding: 10px 26px;
  border-radius: 4px;
  font-weight: 700;
  cursor: pointer;
  margin-right: 12px;
  transition: var(--transition);
}
.btn-primary { background: var(--color-navy); color: #fff; border: none; }
.btn-outline { background: transparent; border: 1.5px solid var(--color-navy); color: var(--color-navy); }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-outline:hover { background: var(--color-navy); color: #fff; }

/* SOLUTIONS VIEW */
.solutions-layout { width: 100%; }

/* Banner strip at top of solutions */
.sol-banner {
  width: 100%;
  max-height: 280px;
  overflow: hidden;
  background: var(--color-navy);
}
.sol-banner img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  object-position: center;
  opacity: 0.9;
}

/* Intro block */
.sol-intro {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 40px 40px;
}
.sol-intro .view-title { margin-top: 8px; margin-bottom: 16px; }
.section-sub { color: var(--color-text-muted); font-size: 15px; max-width: 680px; line-height: 1.7; }

/* Numbered solution sections */
.sol-sections { max-width: 1100px; margin: 0 auto; padding: 0 40px 60px; }

.sol-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 48px 0;
  border-top: 1px solid var(--color-border);
}
.sol-section:last-child { border-bottom: 1px solid var(--color-border); }
.sol-section.reverse { direction: rtl; }
.sol-section.reverse > * { direction: ltr; }

.sol-section-text {}
.sol-big-num {
  font-family: var(--font-head);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: 800;
  color: var(--color-border);
  line-height: 1;
  margin-bottom: 8px;
  letter-spacing: -2px;
}
.sol-section-text h3 {
  font-family: var(--font-head);
  font-size: 26px;
  color: var(--color-navy);
  margin-bottom: 16px;
}
.sol-section-text p {
  font-size: 15px;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
}
.sol-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-navy);
  text-decoration: none;
  border-bottom: 1.5px solid var(--color-navy);
  padding-bottom: 2px;
  transition: var(--transition);
}
.sol-link:hover { color: var(--color-cyan); border-color: var(--color-cyan); }

.sol-section-imgs {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.sol-section-imgs img {
  width: 100%;
  border-radius: 4px;
  object-fit: contain;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.sol-section-imgs img.primary { max-height: 280px; object-fit: cover; }
.sol-section-imgs img.secondary { max-height: 200px; }
.sol-link:hover { color: var(--color-cyan); }

/* SOL CAROUSEL */
.sol-carousel {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
}
.sol-carousel-track {
  display: flex;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}
.sol-carousel-slide {
  min-width: 100%;
  flex-shrink: 0;
}
.sol-carousel-slide img {
  width: 100%;
  height: 280px;
  object-fit: contain;
  display: block;
  background: var(--color-bg-alt);
  border: none;
}
.sol-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 16px;
  color: var(--color-navy);
  transition: var(--transition);
  z-index: 10;
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  padding: 0;
}
.sol-arrow:hover { background: var(--color-navy); color: #fff; border-color: var(--color-navy); }
.sol-arrow.prev { left: 10px; }
.sol-arrow.next { right: 10px; }
.sol-arrow:focus-visible { outline: 2px solid var(--color-cyan); outline-offset: 2px; }
.sol-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  padding: 10px 0 8px;
  background: var(--color-bg-alt);
}
.sol-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--color-border);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  border: none;
  padding: 0;
}
.sol-dot.active {
  background: var(--color-navy);
  transform: scale(1.3);
}
.sol-module:hover { border-color: var(--color-navy); transform: translateY(-4px); box-shadow: var(--shadow-pro); }

/* TECHNOLOGY VIEW PRO */
.tech-layout-pro { max-width: 1400px; width: 100%; margin: 0 auto; padding: 24px 32px 40px; }
.tech-header-dual { margin-bottom: 20px; }
.tech-header-text p { font-size: 15px; color: var(--color-text-muted); margin-top: 8px; max-width: 700px; }

.tech-main-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tech-column { display: flex; flex-direction: column; gap: 16px; }
.sub-column-title { font-family: var(--font-head); font-size: 15px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--color-navy); opacity: 0.5; margin-bottom: 8px; }

.tech-tabs-vertical { display: flex; flex-direction: column; gap: 8px; }
.tech-v-tab {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 12px 18px;
  text-align: left;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.tech-v-tab strong { font-size: 15px; color: var(--color-text); }
.tech-v-tab span { font-size: 11px; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.5px; }

.tech-v-tab:hover { border-color: var(--color-navy); }
.tech-v-tab.active { background: var(--color-navy); border-color: var(--color-navy); }
.tech-v-tab.active strong, .tech-v-tab.active span { color: #fff; }

.tech-display-frame {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 16px;
  height: 250px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.tech-display-frame img { max-width: 100%; max-height: 100%; object-fit: contain; transition: var(--transition); opacity: 1; }
.tech-display-frame.analysis { background: #fff; }

/* CONTACT VIEW */
.contact-layout { max-width: 1100px; width: 100%; margin: 0 auto; padding: 40px 32px 60px; }
.contact-container { display: grid; grid-template-columns: 1fr 1.5fr; gap: 80px; margin-top: 60px; }
.contact-card { background: var(--color-bg-alt); padding: 40px; border-radius: 4px; border: 1px solid var(--color-border); }
.contact-card h4 { font-family: var(--font-head); color: var(--color-navy); margin-bottom: 12px; font-size: 18px; }
.contact-link { color: var(--color-navy); font-weight: 700; text-decoration: none; margin-top: 12px; display: inline-block; font-size: 18px; }
.contact-status-box { margin-top: 32px; font-size: 13px; color: var(--color-text-muted); display: flex; align-items: center; gap: 10px; }
.status-indicator { width: 8px; height: 8px; background: #28CA41; border-radius: 50%; display: inline-block; }

.clean-form { display: flex; flex-direction: column; gap: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.clean-form input, .clean-form textarea {
  width: 100%;
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  font-family: inherit;
  font-size: 15px;
}
.clean-form input:focus, .clean-form textarea:focus { border-color: var(--color-navy); outline: none; }
.btn-submit-pro { background: var(--color-navy); color: #fff; border: none; padding: 18px; font-weight: 700; cursor: pointer; transition: var(--transition); border-radius: 4px; }
.btn-submit-pro:hover { box-shadow: 0 8px 24px rgba(0, 44, 95, 0.2); transform: translateY(-1px); }

/* Sticky Elements */
.sticky-cta { position: fixed; bottom: 40px; right: 40px; z-index: 2000; display: flex; flex-direction: column; align-items: flex-end; gap: 20px; }
.btn-chat-toggle {
  width: 64px; height: 64px;
  background: var(--color-navy);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 10px 40px rgba(0, 44, 95, 0.3);
  transition: var(--transition);
}
.btn-chat-toggle:hover { transform: scale(1.1); box-shadow: 0 15px 50px rgba(0, 44, 95, 0.4); }

.chat-window {
  width: 350px;
  height: 480px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  display: none;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.chat-window.active { display: flex; animation: floatUp 0.3s forwards; }

.chat-header {
  background: var(--color-navy);
  color: #fff;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 14px;
}
.chat-status { width: 10px; height: 10px; background: #28CA41; border-radius: 50%; border: 2px solid #fff; }
.chat-header button { background: none; border: none; color: #fff; margin-left: auto; cursor: pointer; font-size: 20px; }

.chat-body { flex: 1; padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 12px; background: #F8F9FA; }
.chat-msg { max-width: 85%; padding: 10px 14px; border-radius: 12px; font-size: 14px; }
.chat-msg.bot { background: #fff; color: var(--color-text); border: 1px solid var(--color-border); align-self: flex-start; }
.chat-msg.user { background: var(--color-navy); color: #fff; align-self: flex-end; }

.chat-footer { padding: 15px; border-top: 1px solid var(--color-border); display: flex; gap: 10px; }
.chat-footer input { flex: 1; border: 1px solid var(--color-border); padding: 8px 12px; border-radius: 4px; outline: none; }
.chat-footer button { background: var(--color-navy); color: #fff; border: none; padding: 0 15px; border-radius: 4px; cursor: pointer; }

.flyout {
  position: fixed;
  bottom: 120px; right: 40px;
  width: 340px;
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  display: none;
  z-index: 2001;
}
.flyout.active { display: block; animation: floatUp 0.3s forwards; }
.flyout-header { background: var(--color-bg-alt); padding: 15px 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-border); }
.flyout-header h3 { font-size: 15px; color: var(--color-navy); }
.flyout-header button { background: none; border: none; font-size: 20px; cursor: pointer; }
.flyout-body { padding: 20px; }
.flyout-body p { font-size: 14px; color: var(--color-text-muted); margin-bottom: 15px; }
.flyout-body input { width: 100%; border: 1px solid var(--color-border); padding: 12px; border-radius: 4px; margin-bottom: 15px; }
.flyout-body button { width: 100%; background: var(--color-navy); color: #fff; border: none; padding: 12px; border-radius: 4px; cursor: pointer; font-weight: 700; }

@keyframes floatUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Detail Modals */
.detail-modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.detail-modal.open { display: flex; animation: floatUp 0.28s forwards; }
.detail-modal-inner {
  background: #fff;
  border-radius: 8px;
  padding: 48px;
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
}
.detail-modal-inner h2 { font-family: var(--font-head); font-size: 28px; color: var(--color-navy); margin-bottom: 12px; }
.detail-modal-inner > p { font-size: 15px; color: var(--color-text-muted); margin-bottom: 32px; line-height: 1.7; }
.modal-close {
  position: absolute;
  top: 20px; right: 24px;
  background: none; border: none;
  font-size: 28px; cursor: pointer;
  color: var(--color-text-muted);
  line-height: 1;
}
.modal-close:hover { color: var(--color-navy); }
.modal-imgs { display: flex; flex-direction: column; gap: 20px; }
.modal-imgs img { width: 100%; border-radius: 4px; border: 1px solid var(--color-border); }
.modal-imgs.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.modal-imgs.three-col { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
.modal-imgs figure { margin: 0; }
.modal-imgs figcaption { font-size: 12px; color: var(--color-text-muted); margin-top: 6px; text-align: center; }
.modal-desc { font-size: 15px; color: var(--color-text-muted); margin-bottom: 20px; line-height: 1.7; }
.modal-feature-list { display: flex; flex-direction: column; gap: 6px; margin-bottom: 28px; }
.modal-feature { font-size: 14px; color: var(--color-text-muted); display: flex; gap: 8px; align-items: flex-start; }
.mf-icon { color: var(--color-navy); font-size: 8px; margin-top: 5px; flex-shrink: 0; }
@media (max-width: 640px) {
  .modal-imgs.two-col, .modal-imgs.three-col { grid-template-columns: 1fr; }
  .detail-modal-inner { padding: 28px 20px; }
}

@media (max-width: 1024px) {
  .tech-main-grid { grid-template-columns: 1fr; }
  .sol-section { grid-template-columns: 1fr; gap: 32px; }
  .sol-section.reverse { direction: ltr; }
}

@media (max-width: 968px) {
  .hero-minimal { flex-direction: column; text-align: center; gap: 40px; }
  .hero-intro-box { border-left: none; padding-left: 0; }
  .contact-container { grid-template-columns: 1fr; }
  .nav-menu { display: none; }
  .brand { margin: 0 auto; }
}