/* ===================================================================
   INFRA INFOGATE - ON-PREMISE SERVERS & HCI CLUSTERS STYLESHEET
   Design System: Datacenter Precision, Electric Cyan & Emerald Glow
   =================================================================== */

:root {
  --bg-main: #04070f;
  --bg-surface: #090e1a;
  --bg-card: rgba(14, 22, 38, 0.72);
  --bg-card-hover: rgba(20, 32, 54, 0.88);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 212, 255, 0.35);
  --border-green: rgba(0, 245, 155, 0.4);

  --accent-cyan: #00d4ff;
  --accent-cyan-glow: rgba(0, 212, 255, 0.2);
  --accent-emerald: #00f59b;
  --accent-blue: #0066ff;
  --accent-purple: #a855f7;
  --accent-amber: #f59e0b;
  --accent-red: #ef4444;

  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;

  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-card: 0 10px 30px -10px rgba(0, 0, 0, 0.8);
  --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.15);
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Ambient Datacenter Lighting */
.ambient-glow {
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  filter: blur(150px);
  z-index: 0;
  opacity: 0.3;
}

.glow-blue {
  width: 650px;
  height: 650px;
  top: -150px;
  left: 10%;
  background: radial-gradient(circle, rgba(0, 212, 255, 0.25) 0%, transparent 70%);
}

.glow-emerald {
  width: 700px;
  height: 700px;
  top: 35%;
  right: -200px;
  background: radial-gradient(circle, rgba(0, 245, 155, 0.18) 0%, transparent 70%);
}

.grid-overlay {
  position: fixed;
  inset: 0;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
  z-index: 0;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Typography */
h1, h2, h3, h4, .brand-title {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1.2;
}

.text-gradient {
  background: linear-gradient(135deg, #ffffff 20%, var(--accent-cyan) 60%, var(--accent-emerald) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.highlight {
  color: var(--accent-cyan);
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(4, 7, 15, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--transition-fast);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(0, 245, 155, 0.1));
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 212, 255, 0.2);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
}

.brand-sub {
  font-size: 0.72rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 26px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--accent-cyan);
}

.btn-nav {
  display: inline-flex;
  align-items: center;
  padding: 8px 18px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  color: var(--accent-cyan);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 600;
  transition: all var(--transition-fast);
}

.btn-nav:hover {
  background: var(--accent-cyan);
  color: #04070f;
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.mobile-toggle {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-main);
  transition: all var(--transition-fast);
}

/* Hero Section */
.hero-section {
  padding: 80px 0 60px;
  position: relative;
  z-index: 1;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.badge-tech {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.badge-dot {
  width: 7px;
  height: 7px;
  background: var(--accent-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-emerald);
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  margin-bottom: 22px;
}

.hero-description {
  font-size: 1.1rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-md);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan) 0%, #0088ff 100%);
  color: #04070f;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 212, 255, 0.5);
  color: #000;
}

.btn-outline {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-main);
  border: 1px solid var(--border-subtle);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
}

.metric-card {
  display: flex;
  flex-direction: column;
}

.metric-val {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--accent-cyan);
}

.metric-lbl {
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.3;
}

/* Visual Frame */
.visual-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-card), 0 0 50px rgba(0, 212, 255, 0.15);
  background: #000;
}

.hero-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.visual-frame:hover .hero-img {
  transform: scale(1.02);
}

.hud-tag {
  position: absolute;
  padding: 8px 14px;
  background: rgba(4, 7, 15, 0.85);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-tag.top-left {
  top: 16px;
  left: 16px;
  border-color: rgba(0, 245, 155, 0.4);
  color: var(--accent-emerald);
}

.hud-tag.bottom-right {
  bottom: 16px;
  right: 16px;
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--accent-cyan);
}

.pulse-indicator {
  width: 8px;
  height: 8px;
  background: var(--accent-emerald);
  border-radius: 50%;
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 155, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 245, 155, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 245, 155, 0); }
}

/* Status Ticker */
.status-ticker {
  background: rgba(9, 14, 26, 0.95);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
  padding: 12px 0;
  overflow: hidden;
  white-space: nowrap;
}

.ticker-track {
  display: inline-flex;
  gap: 40px;
  animation: scrollTicker 35s linear infinite;
}

.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-dim);
  letter-spacing: 0.08em;
}

.ticker-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-cyan);
  border-radius: 50%;
}

@keyframes scrollTicker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Section Shared */
.section {
  padding: 100px 0;
  position: relative;
  z-index: 1;
}

.section-darker {
  background: rgba(9, 14, 26, 0.55);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 60px;
}

.section-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.4rem;
  font-weight: 800;
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Solutions Grid */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.feature-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.hci-icon { background: rgba(0, 212, 255, 0.12); color: var(--accent-cyan); border: 1px solid rgba(0, 212, 255, 0.3); }
.storage-icon { background: rgba(0, 245, 155, 0.12); color: var(--accent-emerald); border: 1px solid rgba(0, 245, 155, 0.3); }
.net-icon { background: rgba(59, 130, 246, 0.12); color: #60a5fa; border: 1px solid rgba(59, 130, 246, 0.3); }
.firewall-icon { background: rgba(239, 68, 68, 0.12); color: var(--accent-red); border: 1px solid rgba(239, 68, 68, 0.3); }
.erp-icon { background: rgba(168, 85, 247, 0.12); color: var(--accent-purple); border: 1px solid rgba(168, 85, 247, 0.3); }
.backup-icon { background: rgba(245, 158, 11, 0.12); color: var(--accent-amber); border: 1px solid rgba(245, 158, 11, 0.3); }

.card-title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 22px;
}

.card-specs {
  list-style: none;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.card-specs li {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
  position: relative;
  padding-left: 14px;
}

.card-specs li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
}

.card-specs li strong {
  color: #fff;
}

/* Preset Buttons for Calculator */
.preset-buttons {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.preset-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.preset-btn.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.preset-count {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: #fff;
}

.preset-type {
  font-size: 0.78rem;
  color: var(--text-dim);
}

.preset-btn.active .preset-count {
  color: var(--accent-cyan);
}

/* Calculator Wrapper */
.calc-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-card);
}

.calc-box-title {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
}

.input-group {
  margin-bottom: 22px;
}

.input-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.input-label-row label, .input-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  margin-bottom: 8px;
}

.input-val {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-cyan);
  font-weight: bold;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.1);
  height: 6px;
  border-radius: 4px;
  outline: none;
}

.checkbox-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  background: rgba(4, 7, 15, 0.5);
  padding: 16px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.cb-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  cursor: pointer;
  margin: 0 !important;
}

.cb-label input[type="checkbox"] {
  accent-color: var(--accent-cyan);
  width: 15px;
  height: 15px;
}

.input-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.select-field, .form-input, .form-textarea {
  width: 100%;
  background: rgba(4, 7, 15, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 0.92rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.select-field:focus, .form-input:focus, .form-textarea:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

/* Calculator Results */
.calc-results {
  display: flex;
  flex-direction: column;
}

.results-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}

.res-card-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.res-card {
  background: rgba(4, 7, 15, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
}

.res-card.primary-res {
  border-color: var(--border-glow);
  background: rgba(0, 212, 255, 0.05);
}

.res-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.res-num {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: #fff;
}

.res-sub {
  font-size: 0.75rem;
  color: var(--accent-emerald);
  margin-top: 4px;
}

.recommendation-box {
  background: rgba(14, 22, 38, 0.85);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px 20px;
  margin-bottom: 24px;
  font-size: 0.84rem;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.rec-title {
  font-weight: 700;
  color: var(--accent-cyan);
  font-size: 0.9rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 6px;
}

.rec-item {
  color: var(--text-muted);
  line-height: 1.4;
}

.rec-item strong {
  color: #fff;
}

.btn-block {
  width: 100%;
}

/* Workloads Section */
.workloads-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.workload-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-smooth);
}

.workload-card:hover {
  border-color: var(--border-glow);
  transform: translateY(-4px);
}

.wl-badge {
  display: inline-block;
  align-self: flex-start;
  padding: 4px 10px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid var(--accent-cyan);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: bold;
  color: var(--accent-cyan);
  margin-bottom: 16px;
}

.workload-card h3 {
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.workload-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.workload-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
}

.workload-card li {
  font-size: 0.84rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 18px;
  line-height: 1.4;
}

.workload-card li::before {
  content: "✔";
  position: absolute;
  left: 0;
  color: var(--accent-emerald);
}

/* Architecture Tabs */
.arch-tabs {
  display: flex;
  gap: 12px;
  margin-bottom: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.arch-tab {
  padding: 12px 22px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.arch-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.arch-tab.active {
  background: var(--accent-cyan);
  color: #04070f;
  border-color: var(--accent-cyan);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
}

.arch-content-container {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 40px;
  backdrop-filter: blur(12px);
}

.arch-panel {
  display: none;
}

.arch-panel.active {
  display: block;
  animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.arch-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.arch-text h3 {
  font-size: 1.5rem;
  margin-bottom: 14px;
}

.arch-text p {
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.6;
}

.arch-text ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.arch-text li {
  font-size: 0.92rem;
  color: var(--text-muted);
  position: relative;
  padding-left: 20px;
}

.arch-text li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-cyan);
}

.arch-text li strong {
  color: #fff;
}

.arch-scheme {
  background: #060a14;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.scheme-node {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  width: 100%;
  text-align: center;
  color: var(--text-main);
}

.scheme-node.highlighted {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  font-weight: bold;
}

.scheme-arrow {
  color: var(--text-dim);
  font-size: 0.78rem;
}

/* Contact / Sizing Form */
.contact-box {
  max-width: 840px;
  margin: 0 auto;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-card);
}

.contact-header {
  text-align: center;
  margin-bottom: 36px;
}

.form-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-main);
}

.form-success-msg {
  text-align: center;
  padding: 40px 20px;
  animation: fadeIn 0.4s ease;
}

.success-icon {
  width: 60px;
  height: 60px;
  background: rgba(0, 245, 155, 0.15);
  border: 2px solid var(--accent-emerald);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: var(--accent-emerald);
}

/* Footer */
.site-footer {
  background: #020409;
  border-top: 1px solid var(--border-subtle);
  padding: 80px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.brand-col .brand-title {
  margin-bottom: 12px;
}

.footer-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: #fff;
  letter-spacing: 0.04em;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-col a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.88rem;
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--accent-cyan);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 30px;
}

.bottom-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
}

.footer-tech {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  opacity: 0.8;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .solutions-grid, .workloads-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .calc-wrapper {
    grid-template-columns: 1fr;
  }
  .arch-grid {
    grid-template-columns: 1fr;
  }
  .footer-content {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.2rem;
  }
  .preset-buttons {
    grid-template-columns: repeat(2, 1fr);
  }
  .hero-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
  .solutions-grid, .workloads-grid {
    grid-template-columns: 1fr;
  }
  .form-row-2, .input-row-2, .checkbox-grid, .res-card-grid-2 {
    grid-template-columns: 1fr;
  }
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: #090e1a;
    flex-direction: column;
    padding: 30px;
    border-bottom: 1px solid var(--border-subtle);
    gap: 20px;
  }
  .nav-menu.open {
    display: flex;
  }
  .mobile-toggle {
    display: flex;
  }
  .bottom-inner {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}