/* ==========================================================================
   kunalshahmarketing.com.au - High Performance Marketing Styling
   Design System: Deep Tech Slate (#0b1120), Electric Cyan (#06b6d4), Neon Glow
   ========================================================================== */

:root {
  --bg-dark: #070b14;
  --bg-surface: #0e1726;
  --bg-card: #141f33;
  --bg-card-hover: #1b2944;
  --cyan-primary: #06b6d4;
  --cyan-glow: rgba(6, 182, 212, 0.25);
  --accent-orange: #f97316;
  --text-white: #ffffff;
  --text-gray: #94a3b8;
  --text-darker: #64748b;
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-cyan: rgba(6, 182, 212, 0.3);
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: all 0.24s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-dark);
  color: var(--text-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.text-center {
  text-align: center;
}

/* Headings */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}

.cyan-gradient {
  background: linear-gradient(135deg, #38bdf8 0%, #06b6d4 50%, #22d3ee 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Section Header */
.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--cyan-primary);
  background: rgba(6, 182, 212, 0.1);
  border: 1px solid var(--border-cyan);
  padding: 0.35rem 0.9rem;
  border-radius: 9999px;
  margin-bottom: 0.85rem;
}

.section-headline {
  font-size: 2.4rem;
  margin-bottom: 0.75rem;
}

.section-sub {
  color: var(--text-gray);
  font-size: 1.05rem;
  max-width: 620px;
  margin: 0 auto 3rem auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--cyan-primary);
  color: #070b14;
  box-shadow: 0 4px 18px var(--cyan-glow);
}

.btn-primary:hover {
  background: #22d3ee;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.45);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-white);
}

.btn-ghost:hover {
  border-color: var(--cyan-primary);
  color: var(--cyan-primary);
}

.btn-block {
  width: 100%;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1.1rem 0;
  background: rgba(7, 11, 20, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--text-white);
}

.logo-mark {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--cyan-primary);
  background: rgba(6, 182, 212, 0.12);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-cyan);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
}

.badge-marketing {
  font-size: 0.65rem;
  background: var(--accent-orange);
  color: #ffffff;
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  vertical-align: middle;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-gray);
  text-decoration: none;
  transition: var(--transition);
}

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

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

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-white);
}

/* Hero */
.hero {
  padding: 9.5rem 0 5.5rem 0;
  position: relative;
  background: radial-gradient(circle at 75% 25%, rgba(6, 182, 212, 0.12) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: center;
  gap: 3.5rem;
}

.hero-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--cyan-primary);
  background: rgba(6, 182, 212, 0.08);
  border: 1px solid var(--border-cyan);
  padding: 0.4rem 0.9rem;
  border-radius: 9999px;
  margin-bottom: 1.5rem;
}

.pulse-cyan {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan-primary);
  box-shadow: 0 0 10px var(--cyan-primary);
}

.hero-title {
  font-size: 3.25rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.12rem;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.proof-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.proof-stat {
  display: flex;
  flex-direction: column;
}

.p-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-white);
}

.p-txt {
  font-size: 0.75rem;
  color: var(--text-darker);
  text-transform: uppercase;
  font-weight: 600;
}

/* Hero HUD Card */
.hud-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-md);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.5), 0 0 30px rgba(6, 182, 212, 0.1);
  overflow: hidden;
}

.hud-header {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.75rem 1.25rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.hud-dots {
  display: flex;
  gap: 6px;
}

.hud-dots span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #334155;
}

.hud-dots span:nth-child(1) { background: #ef4444; }
.hud-dots span:nth-child(2) { background: #f59e0b; }
.hud-dots span:nth-child(3) { background: #10b981; }

.hud-status {
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--cyan-primary);
}

.hud-body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.kpi-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.kpi-name {
  font-size: 0.8rem;
  color: var(--text-gray);
  display: flex;
  justify-content: space-between;
}

.kpi-bar {
  height: 6px;
  background: #1e293b;
  border-radius: 9999px;
  overflow: hidden;
}

.kpi-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #06b6d4, #22d3ee);
  border-radius: 9999px;
}

.kpi-val {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cyan-primary);
  align-self: flex-end;
}

.hud-author {
  padding: 1rem 1.25rem;
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.hud-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--cyan-primary);
}

.hud-author strong {
  display: block;
  font-size: 0.9rem;
}

.hud-author span {
  font-size: 0.75rem;
  color: var(--text-gray);
}

/* Sections */
.section {
  padding: 5.5rem 0;
}

/* Growth Engine 5-Pillar */
.engine-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.engine-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.engine-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: var(--transition);
}

.engine-box:hover {
  border-color: var(--border-cyan);
  transform: translateY(-4px);
}

.box-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--cyan-primary);
  display: block;
  margin-bottom: 0.8rem;
}

.engine-box h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.engine-box p {
  color: var(--text-gray);
  font-size: 0.92rem;
  line-height: 1.6;
}

/* Calculator Section */
.calc-section {
  background: var(--bg-dark);
}

.calc-card {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.calc-intro h2 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
}

.calc-intro p {
  color: var(--text-gray);
  margin-bottom: 1.5rem;
}

.calc-bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.calc-bullet-list li {
  font-size: 0.9rem;
  color: var(--text-darker);
  position: relative;
  padding-left: 1.2rem;
}

.calc-bullet-list li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--cyan-primary);
}

.calc-widget {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.input-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.input-field label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-gray);
}

.range-display {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.range-display input[type="range"] {
  flex-grow: 1;
  accent-color: var(--cyan-primary);
}

.badge-value {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--cyan-primary);
  background: rgba(6, 182, 212, 0.1);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
  min-width: 85px;
  text-align: center;
}

.calc-results-box {
  background: var(--bg-dark);
  border: 1px solid var(--border-cyan);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  display: flex;
  justify-content: space-around;
  align-items: center;
}

.res-col {
  text-align: center;
}

.res-label {
  font-size: 0.75rem;
  color: var(--text-darker);
  text-transform: uppercase;
  display: block;
}

.res-highlight {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-white);
  display: block;
}

.res-revenue {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  color: #10b981;
  display: block;
}

.res-note {
  font-size: 0.72rem;
  color: var(--text-darker);
}

.res-divider {
  width: 1px;
  height: 50px;
  background: var(--border-subtle);
}

/* Case Studies */
.cases-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-subtle);
}

.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.case-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: var(--transition);
}

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

.case-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-bottom: 0.8rem;
}

.case-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1.2rem;
}

.case-metrics {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 1.2rem;
  padding: 0.9rem;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
}

.met-big {
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--cyan-primary);
  display: block;
}

.met-sub {
  font-size: 0.72rem;
  color: var(--text-gray);
}

.case-card p {
  color: var(--text-gray);
  font-size: 0.9rem;
}

/* Audit Form */
.audit-section {
  background: var(--bg-dark);
}

.audit-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  max-width: 860px;
  margin: 0 auto;
}

.audit-form {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.4rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.input-grp {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.input-grp label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-gray);
}

.input-grp input,
.input-grp select,
.input-grp textarea {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  padding: 0.85rem 1rem;
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.input-grp input:focus,
.input-grp select:focus,
.input-grp textarea:focus {
  outline: none;
  border-color: var(--cyan-primary);
  box-shadow: 0 0 0 3px var(--cyan-glow);
}

.audit-feedback {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid #10b981;
  color: #10b981;
  padding: 1rem;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: 0.95rem;
}

/* Footer */
.footer {
  background: #04070c;
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.footer-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
}

.footer-sub {
  font-size: 0.8rem;
  color: var(--text-darker);
}

.footer-links {
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-size: 0.85rem;
}

.footer-links a:hover {
  color: var(--cyan-primary);
}

/* Responsive */
@media (max-width: 992px) {
  .hero-grid,
  .calc-card {
    grid-template-columns: 1fr;
  }

  .engine-grid,
  .cases-grid {
    grid-template-columns: 1fr;
  }

  .proof-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 65px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 2rem;
    border-bottom: 1px solid var(--border-subtle);
    transform: translateY(-120%);
    transition: var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .calc-card,
  .audit-card {
    padding: 2rem;
  }
}

/* Utility Topbar & Standards additions */
.top-util-bar {
  background: #04070d;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.45rem 0;
  font-size: 0.8rem;
  color: var(--text-gray);
}

.top-phone {
  color: var(--cyan-primary);
  font-weight: 700;
  text-decoration: none;
}

.top-phone:hover { text-decoration: underline; }

.sep { margin: 0 0.5rem; color: #334155; }

.badge-audit {
  color: var(--accent-orange);
  font-weight: 700;
  margin-left: 1rem;
  text-decoration: none;
}

.badge-audit:hover { text-decoration: underline; }

.btn-cyan-outline {
  background: transparent;
  border: 1px solid var(--cyan-primary);
  color: var(--cyan-primary);
}

.btn-cyan-outline:hover {
  background: rgba(6, 182, 212, 0.1);
  color: #ffffff;
}

.standards-band {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  padding: 3rem 0;
}

.standards-bar {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.s-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: var(--transition);
}

.s-box:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-3px);
}

.s-icon {
  font-size: 1.8rem;
  display: block;
  margin-bottom: 0.8rem;
}

.s-box h4 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
  color: var(--text-white);
}

.s-box p {
  font-size: 0.9rem;
  color: var(--text-gray);
  margin: 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.8rem;
}

.service-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  transition: var(--transition);
}

.service-box:hover {
  border-color: var(--cyan-primary);
  transform: translateY(-3px);
}

.service-box.highlight-ai {
  border-color: var(--cyan-primary);
  background: linear-gradient(145deg, var(--bg-card) 0%, rgba(6, 182, 212, 0.08) 100%);
}

.srv-num {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--cyan-primary);
  display: block;
  margin-bottom: 0.8rem;
}

.service-box h3 {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.service-box p {
  color: var(--text-gray);
  font-size: 0.92rem;
  line-height: 1.6;
}

.service-box a {
  color: var(--cyan-primary);
  text-decoration: underline;
}

@media (max-width: 900px) {
  .standards-bar,
  .services-grid {
    grid-template-columns: 1fr;
  }
}